What to do with Aphids? Illinois 5b zone
I’ve spread neem oil twice, but it doesn’t seem like it’s working. I’ve tried manually killing by squishing, but it leaves a nasty residue on my milkweed.
I’ve spread neem oil twice, but it doesn’t seem like it’s working. I’ve tried manually killing by squishing, but it leaves a nasty residue on my milkweed.